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BS EN 61952:2008

Current
Current

The latest, up-to-date edition.

Insulators for overhead lines. Composite line post insulators for A.C. systems with a nominal voltage greater than 1000 V. Definitions, test methods and acceptance criteria
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-03-2009

INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviations
5 Identification
6 Environmental conditions
7 Transport, storage and installation
8 Tolerances
9 Classification of tests
   9.1 Design tests
   9.2 Type tests
   9.3 Sample tests
   9.4 Routine tests
10 Design tests
   10.1 General
   10.2 Test specimens for IEC 62217
        10.2.1 Tests on interfaces and connections of
               end fittings
        10.2.2 Tracking and erosion test
        10.2.3 Tests on core material
   10.3 Product specific pre-stressing for IEC 62217
        tests on interfaces and connections of end fittings
        10.3.1 Thermal-mechanical pre-stressing
   10.4 Assembled core load tests
        10.4.1 Test for the verification of the maximum
               design cantilever load (MDCL)
        10.4.2 Tensile load test
11 Type tests
   11.1 Electrical tests
        11.1.1 Vertical mounting arrangement
        11.1.2 Horizontal mounting arrangement
   11.2 Mechanical tests
        11.2.1 Cantilever failing load test
12 Sample tests
   12.1 General rules
   12.2 Verification of dimensions (E1 + E2)
   12.3 Galvanizing test (E1 + E2)
   12.4 Verification of the SCL (E1)
        12.4.1 Test procedure
        12.4.2 Acceptance criteria
   12.5 Re-testing procedure
13 Routine tests
   13.1 Tensile load test
   13.2 Visual examination
Annex A (informative) - Notes on the mechanical loads
        and tests
Annex B (informative) - Determination of the equivalent
        bending moment caused by combined loads
Annex ZA (normative) - Normative references to international
         publications with their corresponding European
         publications
Bibliography

Defines composite line post insulators consisting of a loadbearing cylindrical insulating solid core consisting of fibres - usually glass - in a resin-based matrix, a housing (outside the insulating core) made of polymeric material and end fittings permanently attached to the insulating core.

IEC 61952:2008 applies to composite line post insulators consisting of a load-bearing, cylindrical, insulating solid core made up of fibres - usually glass - in a resin-based matrix, a housing (outside the insulating core) made of elastomer material (e.g. silicone or ethylene-propylene) and end fittings permanently attached to the insulating core. The object of this standard is to
- define the terms used,
- prescribe test methods,
- prescribe acceptance or failure criteria.
This standard does not include requirements dealing with the choice of insulators for specific operating conditions. This edition includes the following significant technical changes with respect to the previous edition:
- removal of tests procedures now given in IEC 62217;
- inclusion of clauses on tolerances, environmental conditions, transport, storage and installation;
- changes in the parameters determining the need to repeat design and type tests; and
- modification of the specification of load application in bending tests to simplify testing.

Committee
PEL/36
DevelopmentNote
Supersedes 98/201830 DC (03/2003) Supersedes 04/30111295 DC. (03/2009)
DocumentType
Standard
Pages
32
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
IEC 61952:2008 Identical
SN EN 61952 : 2003 Identical
EN 61952:2008 Identical
NF EN 61952 : 2008 Identical
EN 61685:2001 Identical
DIN EN 61952 : 2009 Identical
NBN EN 61952 : 2009 Identical
UNE-EN 61952:2010 Identical
I.S. EN 61952:2008 Identical

IEC 61467:2008 Insulators for overhead lines - Insulator strings and sets for lines with a nominal voltage greater than 1 000 V - AC power arc tests
IEC 60050-471:2007 International Electrotechnical Vocabulary (IEV) - Part 471: Insulators
IEC 62217:2012 Polymeric HV insulators for indoor and outdoor use - General definitions, test methods and acceptance criteria
IEC 60383-1:1993 Insulators for overhead lines with a nominal voltage above 1000 V - Part 1: Ceramic or glass insulator units for a.c. systems - Definitions, test methods and acceptance criteria
EN 61462:2007 Composite hollow insulators - Pressurized and unpressurized insulators for use in electrical equipment with rated voltage greater than 1 000 V - Definitions, test methods, acceptance criteria and design recommendations
EN 60383-1:1996/A11:1999 INSULATORS FOR OVERHEAD LINES WITH A NOMINAL VOLTAGE ABOVE 1 KV - CERAMIC OR GLASS INSULATOR UNITS FOR A.C. SYSTEMS - DEFINITIONS, TEST METHODS AND ACCEPTANCE CRITERIA
ISO 3452:1984 Non-destructive testing — Penetrant inspection — General principles
EN 60507:2014 Artificial pollution tests on high-voltage ceramic and glass insulators to be used on a.c. systems
IEC 61462:2007 Composite hollow insulators - Pressurized and unpressurized insulators for use in electrical equipment with rated voltage greater than 1 000 V - Definitions, test methods, acceptance criteria and design recommendations
IEC GUIDE 111:2004 Electrical high-voltage equipment in high-voltage substations - Common recommendations for product standards
IEC 60507:2013 Artificial pollution tests on high-voltage ceramic and glass insulators to be used on a.c. systems
EN 62217:2013 Polymeric HV insulators for indoor and outdoor use - General definitions, test methods and acceptance criteria
IEC 60383-2:1993 Insulators for overhead lines with a nominal voltage above 1000 V - Part 2: Insulator strings and insulator sets for a.c. systems - Definitions, test methods and acceptance criteria
EN 60383-2:1995 Insulators for overhead lines with a nominal voltage above 1 kV - Part 2: Insulator strings and insulator sets for a.c. systems - Definitions, test methods and acceptance criteria

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